हिंदी

A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there?

Advertisements
Advertisements

प्रश्न

A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there?

संक्षेप में उत्तर
Advertisements

उत्तर

When a coin is tossed once, the number of outcomes is 2 (Head and tail), i.e., in each throw, the number of ways of showing a different face is 2.

Thus, by multiplication principle, the required number of possible outcomes is 2 × 2 × 2 = 8

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Permutations and Combinations - EXERCISE 6.1 [पृष्ठ १०४]

APPEARS IN

एनसीईआरटी Mathematics [English] Class 11
अध्याय 6 Permutations and Combinations
EXERCISE 6.1 | Q 5. | पृष्ठ १०४

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that repetition of the digits is not allowed?


How many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 if the digits can be repeated?


Given 5 flags of different colours, how many different signals can be generated if each signal requires the use of 2 flags, one below the other?


A Signal is generated from 2 flags by putting one flag above the other. If 4 flags of different colours are available, how many different signals can be generated?


How many two letter words can be formed using letters from the word SPACE, when repetition of letters is allowed?


In a test, 5 questions are of the form 'state, true or false'. No student has got all answers correct. Also, the answer of every student is different. Find the number of students appeared for the test.


A school has three gates and four staircases from the first floor to the second floor. How many ways does a student have to go from outside the school to his classroom on the second floor?


A person went to a restaurant for dinner. In the menu card, the person saw 10 Indian and 7 Chinese food items. In how many ways the person can select either an Indian or a Chinese food?


Given four flags of different colours, how many different signals can be generated if each signal requires the use of three flags, one below the other?


Four children are running a race:
In how many ways can the first two places be filled?


Count the number of three-digit numbers which can be formed from the digits 2, 4, 6, 8 if repetitions of digits is not allowed


How many numbers are there between 100 and 500 with the digits 0, 1, 2, 3, 4, 5? if repetition of digits allowed


How many three-digit odd numbers can be formed by using the digits 0, 1, 2, 3, 4, 5? if the repetition of digits is allowed


Count the numbers between 999 and 10000 subject to the condition that there are no digit is repeated


Count the numbers between 999 and 10000 subject to the condition that there are at least one of the digits is repeated


How many strings can be formed using the letters of the word LOTUS if the word neither starts with L nor ends with S?


Count the total number of ways of answering 6 objective type questions, each question having 4 choices


Find the number of ways of distributing 12 distinct prizes to 10 students?


Find the value of `(12!)/(9! xx 3!)`


Find the value of `(("n" + 3)!)/(("n" + 1)!)`


Evaluate `("n"!)/("r"!("n" - "r")!)` when n = 6, r = 2


Evaluate `("n"!)/("r"!("n" - "r")!)` when n = 10, r = 3


Evaluate `("n"!)/("r"!("n" - "r")!)` when for any n with r = 2


Choose the correct alternative:
The sum of the digits at the 10th place of all numbers formed with the help of 2, 4, 5, 7 taken all at a time is


Choose the correct alternative:
The number of ways in which the following prize be given to a class of 30 boys first and second in mathematics, first and second in physics, first in chemistry and first in English is


Choose the correct alternative:
The number of five digit telephone numbers having at least one of their digits repeated i


Choose the correct alternative:
There are 10 points in a plane and 4 of them are collinear. The number of straight lines joining any two points is


All the letters of the word PADMAPRIYA are placed at random in a row. The probability that the word PRIY A occurs without getting split is ______


In a class, there are 27 boys and 14 girls. The teacher wants to select 1 boy and 1 girl to represent the class for a function. In how many ways can the teacher make this selection?


How many numbers are there between 99 and 1000 having 7 in the units place?


How many numbers are there between 99 and 1000 having atleast one of their digits 7?


Out of 18 points in a plane, no three are in the same line except five points which are collinear. Find the number of lines that can be formed joining the point


Find the number of positive integers greater than 6000 and less than 7000 which are divisible by 5, provided that no digit is to be repeated.


The number of six-digit numbers, all digits of which are odd is ______.


Three letters can be posted in five letterboxes in 35 ways.


There will be only 24 selections containing at least one red ball out of a bag containing 4 red and 5 black balls. It is being given that the balls of the same colour are identical.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×